Question

Refer to Exercise 2.19, which contains data on the birth rates for all 56 counties of Montana for the year 2008. Here are the data rounded to the nearest unit:

a. Prepare a stem-and-leaf display for the data. Arrange the leaves for each stem in increasing order.
b. Prepare a split stem-and-leaf display for the data. Split each stem into two parts. The first part should contain the leaves 0, 1, 2, 3, and 4, and the second part should contains the leaves 5, 6, 7, 8, and 9.
c. Which display (the one in part a or the one in part b) provides a better representation of the features of the distribution? Explain why you believe this.